CN209712220U - A kind of mute type office chair back up and down adjustment device - Google Patents

Abstract

The utility model discloses a kind of mute type office chair back up and down adjustment devices, including cushion, and the two sides of the cushion are mounted on handrail, the bottom of the cushion is equipped with several supporting legs with movable pulley, the cushion and the mutually perpendicular side of the handrail are fixedly installed with backrest one, the top of the backrest one is equipped with backrest two, and regulating device is installed between the backrest one and the backrest two, the regulating device includes movable part one and movable part two, and the movable part two is sheathed on the apical lateral of the movable part one, the movable part one is equipped with fixed block one far from one end of the movable part two, and a side of the fixed block one far from the movable part one is fixedly connected with the backrest one, the movable part two is equipped with fixed block two far from one end of the movable part one, and the fixed block two is far A side from the movable part two is fixedly connected with the backrest two, and the top of the movable part one is equipped with adjustable plate.

Description

A kind of mute type office chair back up and down adjustment device

Technical field

The utility model relates to novel office table separations, it particularly relates to lower on a kind of mute type office chair back Regulating device.

Background technique

Office chair refers to for the chair used of handling official business；Office chair can be divided into board-like office chair, just system office from material Chair, metal office chair, software office chair etc.；And there are office, the Clerk of Works of open type, meeting from use occasion classification Room, reading room, Reference Room, training classroom, laboratory, staff quarters；People are in office, since personal height is different, The difference of personal preference and comfort, so result in everyone requirement to the back height of office chair different, but Existing office chair be all unified customization the chair back can not up and down adjustment, can not according to the different demands of different office workers come The chair back of office chair is adjusted, the use demand of office worker can not be better met.

In conclusion how to carry out up and down adjustment to the chair back of office chair is current technical problem urgently to be solved.

Utility model content

The technical assignment of the utility model is against the above deficiency, to provide a kind of mute type office chair back up and down adjustment dress It sets, to solve the problems, such as how to carry out up and down adjustment to the chair back of office chair.

The technical solution of the utility model is achieved in that

A kind of mute type office chair back up and down adjustment device, including cushion, and the two sides of the cushion are mounted on and help Hand, the bottom of the cushion are equipped with several supporting legs with movable pulley, the cushion and the mutually perpendicular side of the handrail It is fixedly installed with backrest one, the top of the backrest one is equipped with backrest two, and pacifies between the backrest one and the backrest two Equipped with regulating device, the regulating device includes movable part one and movable part two, and the movable part two is sheathed on the activity The apical lateral of part one, the movable part one are equipped with fixed block one, and the fixed block far from one end of the movable part two One a side far from the movable part one is fixedly connected with the backrest one, and the movable part two is far from the movable part one One end is equipped with fixed block two, and a side of the fixed block two far from the movable part two and the fixed company of the backrest two It connects, the top of the movable part one is equipped with adjustable plate, and the adjustable plate is located at the inside of the movable part two, the adjusting Several adjustment holes are offered on plate, the movable part two is equipped with adjusting nut, and institute far from a side of the fixed block two It states adjusting nut and through a side of the movable part two and extends to the movable part two close to one end of the adjustable plate Inside be flexibly connected with the adjustment hole, through being equipped with fixed screw on the adjusting nut, the movable part two it is interior A side of portion and the separate adjusting nut is equipped with fixing seat compatible with the fixed screw.

Preferably, the junction of the movable part one and fixed block one is equipped with movable axis.

Preferably, the backrest one is equipped with spring close to a side of the movable part one, and the spring is far from institute The one end for stating backrest one is fixedly connected with the movable part one.

Preferably, the lower section of the fixed block one is fixedly installed with fixed block three, and the fixed block three is leaned on far from described A side of back one is equipped with support supporting plate compatible with the movable part one.

Preferably, it is offered and the adjusting nut phase on the outside of the described a side of movable part two far from the fixing seat The regulating tank of adaptation.

Preferably, the top of the backrest two is equipped with headrest.

The utility model has the beneficial effects that

1, interacted by the movable part one and the movable part two, can be good to the backrest one with it is described The distance between backrest two is adjusted, and then can be good at carrying out up and down adjustment to office chair back, has better met and has done The use of office attendants person.

2, the problem of up and down adjustment can not being carried out by the utility model very good solution existing office seating chair back, make Obtaining office worker can come to carry out up and down adjustment to the chair back according to their own needs, better meet different office workers not Same use demand.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.

Fig. 1 is the structural representation according to a kind of mute type office chair back up and down adjustment device of the utility model embodiment Figure；

Fig. 2 is the regulating device structural schematic diagram according to the utility model embodiment；

Fig. 3 is the adjustable plate partial structure diagram according to the utility model embodiment；

Fig. 4 is the movable part one and two coupling part structural schematic diagram of movable part according to the utility model embodiment；

Fig. 5 is the adjusting nut side structure schematic diagram according to the utility model embodiment.

In figure:

1, cushion；2, handrail；3, backrest one；4, backrest two；5, regulating device；6, movable part one；7, movable part two；8, solid Determine block one；9, fixed block two；10, adjustable plate；11, adjustment hole；12, adjusting nut；13, fixed screw；14, fixing seat；15, living Moving axis；16, spring；17, fixed block three；18, supporting plate is supported；19, regulating tank；20, it rests the head on.

Specific embodiment

In the description of the present invention, it should be understood that term " center ", " transverse direction ", "upper", "lower", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " multiple " It is two or more.In addition, term " includes " and its any deformation, it is intended that cover and non-exclusive include.

The utility model is described in further detail in the following with reference to the drawings and specific embodiments.

Embodiment one, as shown in Figs. 1-5, according to a kind of mute type office chair back up and down adjustment of the utility model embodiment Device, including cushion 1, and the two sides of the cushion 1 are mounted on handrail 2, the bottom of the cushion 1 is equipped with several bands and moves The supporting leg of driving wheel, the cushion 1 are fixedly installed with backrest 1, the backrest 1 with the mutually perpendicular side of the handrail 2 Top backrest 24 is installed, and regulating device 5 is installed between the backrest 1 and the backrest 24, the adjusting dress Setting 5 includes movable part 1 and movable part 27, and the movable part 27 is sheathed on the apical lateral of the movable part 1, described Movable part 1 is equipped with fixed block 1 far from one end of the movable part 27, and the fixed block 1 is far from the movable part One 6 a side is fixedly connected with the backrest 1, and the movable part 27 is equipped with solid far from one end of the movable part 1 Determine block 29, and a side of the fixed block 29 far from the movable part 27 is fixedly connected with the backrest 24, the work The top of moving part 1 is equipped with adjustable plate 10, and the adjustable plate 10 is located at the inside of the movable part 27, the adjustable plate Several adjustment holes 11 are offered on 10, the movable part 27 is equipped with adjusting nut far from a side of the fixed block 29 12, and the adjusting nut 12 through a side of the movable part 27 and is extended to close to one end of the adjustable plate 10 The inside of the movable part 27 is flexibly connected with the adjustment hole 11, is run through on the adjusting nut 12 and is equipped with fixed screw 13, the inside of the movable part 27 and a side far from the adjusting nut 12 are equipped with suitable with 13 phase of fixed screw The fixing seat 14 matched.

Embodiment two, as shown in Fig. 2, the junction of the movable part 1 and fixed block 1 is equipped with movable axis 15；Institute It states backrest 1 and spring 16 is installed close to a side of the movable part 1, and the spring 16 is far from the backrest 1 One end is fixedly connected with the movable part 1；The lower section of the fixed block 1 is fixedly installed with fixed block 3 17, and described solid Determine block 3 17 and support supporting plate 18 compatible with the movable part 1 is installed far from a side of the backrest 1；So that institute State backrest 24 can after by adjust, rest after office convenient for office worker.

Embodiment three, as shown in figure 4, being offered on the outside of a side of the movable part 27 far from the fixing seat 14 Regulating tank 19 compatible with the adjusting nut 12；Convenient for preferably carrying out up and down adjustment.

Example IV, as shown in Figure 1, the top of the backrest 24 is equipped with headrest 20；Convenient for when rest to office worker Head carry out support, better comfort is provided.

Specific workflow: in use, since the top of the backrest 1 is equipped with backrest 24, and the backrest 1 Regulating device 5 is installed between the backrest 24, the regulating device 5 includes movable part 1 and movable part 27, and described Movable part 27 is sheathed on the apical lateral of the movable part 1, and the movable part 1 is pacified far from one end of the movable part 27 Equipped with fixed block 1, and a side of the fixed block 1 far from the movable part 1 is fixedly connected with the backrest 1, The movable part 27 is equipped with fixed block 29 far from one end of the movable part 1, and the fixed block 29 is far from the work A side of moving part 27 is fixedly connected with the backrest 24, and the top of the movable part 1 is equipped with adjustable plate 10, and described Adjustable plate 10 is located at the inside of the movable part 27, offers several adjustment holes 11, the movable part two on the adjustable plate 10 7 a sides far from the fixed block 29 are equipped with adjusting nut 12, and the adjusting nut 12 is close to the adjustable plate 10 One end through the movable part 27 a side and extend to 11 activity of inside and the adjustment hole of the movable part 27 It connects, runs through on the adjusting nut 12 and fixed screw 13 is installed, the inside of the movable part 27 and the separate adjusting spiral shell A side of mother 12 is equipped with fixing seat 14 compatible with the fixed screw 13, passes through the adjusting nut 12 and the tune The interaction of knothole 11 can be good at that the vertical range between backrest 1 and backrest 24 is adjusted, and then can Up and down adjustment is carried out to the chair back well, and under the interaction of the fixed screw 13 and the fixing seat 14, it can Be fixed after the height for regulating the chair back, preferably carried out convenient for office worker using.

In conclusion passing through the movable part 1 and the movable part by means of the above-mentioned technical proposal of the utility model 27 interact, and can be good at that the distance between the backrest 1 and the backrest 24 is adjusted, and then can be very Good carries out up and down adjustment to office chair back, has better met the use of office worker；It is solved well by the utility model The problem of existing office seating chair back of having determined can not carry out up and down adjustment, enable office worker according to their own needs come pair The chair back carries out up and down adjustment, has better met the different use demands of different office workers.

The technical personnel in the technical field can readily realize the utility model with the above specific embodiments,.But It is it should be appreciated that the utility model is not limited to above-mentioned specific embodiment.On the basis of the disclosed embodiments, described Those skilled in the art can arbitrarily combine different technical features, to realize different technical solutions.

Claims (6)

1. a kind of mute type office chair back up and down adjustment device, which is characterized in that including cushion (1), and the two of the cushion (1) Side is mounted on handrail (2), and the bottom of the cushion (1) is equipped with several supporting legs with movable pulley, the cushion (1) with The mutually perpendicular side of the handrail (2) is fixedly installed with backrest one (3), is equipped with backrest two above the backrest one (3) (4), it and between the backrest one (3) and the backrest two (4) is equipped with regulating device (5), the regulating device (5) includes living Moving part one (6) and movable part two (7), and the movable part two (7) is sheathed on the apical lateral of the movable part one (6), it is described Movable part one (6) is equipped with fixed block one (8) far from one end of the movable part two (7), and the fixed block one (8) is far from institute The a side for stating movable part one (6) is fixedly connected with the backrest one (3), and the movable part two (7) is far from the movable part one (6) one end is equipped with fixed block two (9), and a side of the fixed block two (9) far from the movable part two (7) with it is described Backrest two (4) is fixedly connected, and is equipped at the top of the movable part one (6) adjustable plate (10), and the adjustable plate (10) is located at The inside of the movable part two (7) offers several adjustment holes (11) on the adjustable plate (10), and the movable part two (7) is remote A side from the fixed block two (9) is equipped with adjusting nut (12), and the adjusting nut (12) is close to the adjustable plate (10) one end through the movable part two (7) a side and extend to the movable part two (7) inside and the tune Knothole (11) is flexibly connected, through being equipped with fixed screw (13) on the adjusting nut (12), the movable part two (7) it is interior A side of portion and separate the adjusting nut (12) is equipped with the compatible fixing seat (14) with the fixed screw (13).

2. a kind of mute type office chair back up and down adjustment device according to claim 1, which is characterized in that the movable part One (6) and the junction of fixed block one (8) are equipped with movable axis (15).

3. a kind of mute type office chair back up and down adjustment device according to claim 1, which is characterized in that the backrest one (3) it is equipped with spring (16) close to a side of the movable part one (6), and the spring (16) is far from the backrest one (3) One end be fixedly connected with the movable part one (6).

4. a kind of mute type office chair back up and down adjustment device according to claim 1, which is characterized in that the fixed block Fixed block three (17), and a side of the fixed block three (17) far from the backrest one (3) are fixedly installed with below one (8) The compatible support supporting plate (18) with the movable part one (6) is installed.

5. a kind of mute type office chair back up and down adjustment device according to claim 1, which is characterized in that the movable part The compatible regulating tank with the adjusting nut (12) is offered on the outside of a side of two (7) separate the fixing seat (14) (19)。

6. a kind of mute type office chair back up and down adjustment device according to claim 1, which is characterized in that the backrest two (4) headrest (20) are installed at the top of.